1.4.0rc1
DOC: add note about restarting conda environment after creation (#27387)
DOC use https links when possible (#25049)
DOC update doc build sphinx link to by matching regex in lock file (#27970)
MAINT Explicit cython options for better discovery (#27480)
DOC clarifies description of Transformer API (#27901)
DOC Add a 'Cython Best Practices, Conventions and Knowledge' section (#25608)
DOC: Add HGBT on landing page (#26631)
DOC, MNT Typos found by codespell (#22906)
DOC: fix a typo in the link to the User Guide (#27784)
DOC Use sklearn link in standard replies (#27598)
DOC fixes intersphinx warnings (#26779)